WALGREEN CO

CUSIP: 931422109 Class: COM

GATEWAY INVESTMENT ADVISERS LLC's Holding History (CIK: 0001114618)

Note: Option positions (PUT/CALL) are excluded.

Q3 2014
Shares 683,923 Value ($000) $40,536 Avg Close — Range —
Q2 2014
Shares 682,555 Value ($000) $50,598 Avg Close — Range —
Q1 2014
Shares 665,035 Value ($000) $43,912 Avg Close — Range —
Q4 2013
Shares 590,436 Value ($000) $33,915 Avg Close — Range —
Q3 2013
Shares 182,236 Value ($000) $9,804 Avg Close — Range —
Q2 2013
Shares 174,548 Value ($000) $7,715 Avg Close — Range —